| Message ID | 20210407033030.13419-1-dinghao.liu@zju.edu.cn |
|---|---|
| State | New |
| Headers | show |
| Series | i2c: omap: Fix rumtime PM imbalance on error | expand |
On Wed, Apr 07, 2021 at 11:30:30AM +0800, Dinghao Liu wrote: > pm_runtime_get_sync() will increase the rumtime PM counter > even it returns an error. Thus a pairing decrement is needed > to prevent refcount leak. Fix this by replacing this API with > pm_runtime_resume_and_get(), which will not change the runtime > PM counter on error. > > Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Thanks, yet I applied this series now: http://patchwork.ozlabs.org/project/linux-i2c/list/?series=217733&state=*
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 12ac4212aded..c9ee0875a79d 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1404,7 +1404,7 @@ omap_i2c_probe(struct platform_device *pdev) pm_runtime_set_autosuspend_delay(omap->dev, OMAP_I2C_PM_TIMEOUT); pm_runtime_use_autosuspend(omap->dev); - r = pm_runtime_get_sync(omap->dev); + r = pm_runtime_resume_and_get(omap->dev); if (r < 0) goto err_free_mem;
pm_runtime_get_sync() will increase the rumtime PM counter even it returns an error. Thus a pairing decrement is needed to prevent refcount leak. Fix this by replacing this API with pm_runtime_resume_and_get(), which will not change the runtime PM counter on error. Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> --- drivers/i2c/busses/i2c-omap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)